90313241 has 2 divisors, whose sum is σ = 90313242. Its totient is φ = 90313240.

The previous prime is 90313229. The next prime is 90313259. The reversal of 90313241 is 14231309.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61465600 + 28847641 = 7840^2 + 5371^2 .

It is a cyclic number.

It is not a de Polignac number, because 90313241 - 2⁶ = 90313177 is a prime.

It is not a weakly prime, because it can be changed into another prime (90312241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45156620 + 45156621.

It is an arithmetic number, because the mean of its divisors is an integer number (45156621).

Almost surely, 2^90313241 is an apocalyptic number.

It is an amenable number.

90313241 is a deficient number, since it is larger than the sum of its proper divisors (1).

90313241 is an equidigital number, since it uses as much as digits as its factorization.

90313241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 90313241 is about 9503.3278907970. The cubic root of 90313241 is about 448.6597836452.

The spelling of 90313241 in words is "ninety million, three hundred thirteen thousand, two hundred forty-one".